Home / 7,072,643.61-10,609,039.53-5,661,668.97

Finding the Fourth Proportional to 7,072,643.61, 10,609,039.53 and 5,661,668.97

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Solution

The fourth proportional to 7,072,643.61, 10,609,039.53 and 5,661,668.97 is: 8,492,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,643.61 : 10,609,039.53 = 5,661,668.97 : x
  2. Step 2: Convert to fraction form
    7,072,643.61/10,609,039.53 = 5,661,668.97/x
  3. Step 3: Cross multiply
    7,072,643.61x = 10,609,039.53 × 5,661,668.97
  4. Step 4: Simplify right side
    7,072,643.61x = 60,064,869,908,504.38
  5. Step 5: Solve for x
    x = 60,064,869,908,504.38/7,072,643.61
  6. Step 6: Final answer
    x = 8,492,562.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.